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AISI 309S Stainless Steel vs. C79600 Nickel Silver

AISI 309S stainless steel belongs to the iron alloys classification, while C79600 nickel silver belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 309S stainless steel and the bottom bar is C79600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 42
15
Poisson's Ratio 0.27
0.3
Rockwell B Hardness 84
70
Shear Modulus, GPa 78
43
Shear Strength, MPa 400
290
Tensile Strength: Ultimate (UTS), MPa 580
480
Tensile Strength: Yield (Proof), MPa 230
300

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 1080
130
Melting Completion (Liquidus), °C 1420
930
Melting Onset (Solidus), °C 1370
880
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
36
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
3.5
Embodied Energy, MJ/kg 51
57
Embodied Water, L/kg 170
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
63
Resilience: Unit (Modulus of Resilience), kJ/m3 140
400
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 13
15

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
43.5 to 46.5
Iron (Fe), % 58.1 to 66
0
Lead (Pb), % 0
0.8 to 1.2
Manganese (Mn), % 0 to 2.0
1.5 to 2.5
Nickel (Ni), % 12 to 15
9.0 to 11
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
38.3 to 45.2
Residuals, % 0
0 to 0.5